
body{margin: 0;
padding: 0;}
/*第一层结构*/
.header {
    height: 100px;
    background-color: #988fb9;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
  }
  .header > img {
    height: 100px;
    margin-left: 100px;
    margin-right: 540px;
  }
  .header > p {
    margin-right: 100px;
    font-size: 45px;
    color: rgb(255, 255, 255);
  }
  #section {
    display: flex;
    justify-content: left;
    /* align-items: stretch; */
    background-color:#fff;
}
#section>nav {
  display: block;
}

.nav {
  /* height: ; */
  background-color: #fff;
  margin-top: 10px;
}

.nav>ul {
  width: 300px;
  text-align: center;
  border-radius: 0;
}

.nav>ul>li:hover {
  background-color: #e3dff1;
}




body{background-color: blanchedalmond;}
body #user table{flex: 1; overflow: hidden;
}
